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全部科目 > 软件认证工程师考试 > 思科认证考试 > CCNA系列认证 > CCNA(640-802)

单项选择题

How are VTP advertisements delivered to switches across the network?（）

A. anycast frames
B. multicast frames
C. broadcast frames
D. unicast frames

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单项选择题
Which pairing reflects a correct protocol-and-metric relationship?（）

A. OSPF and mumber of hops and reliability
B. EIGRP and link cost
C. IS-IS and delay and reliability
D. RIPv2 and number of hops
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Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）

A. dual stack
B. dynamic
C. Teredo
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单项选择题
Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

A. show running-config
B. show processes cpu
C. debug all
D. logging host ip address
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